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प्रश्न
Name a metal which does not react with cold as well as hot water but reacts with steam.
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उत्तर
Aluminium does not react with cold or hot water but it reacts with steam.
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संबंधित प्रश्न
‘E’ is an element which reacts with oxygen to form an oxide E2O. An aqueous solution of E2O turns red litmus blue, so:
i. What is the nature of oxide E2O ?
ii. Write the name of element ‘E’.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
Show the formation of Na2O by the transfer of electrons.
The solution of Aluminium sulphate in water is .....................
(a) Green
(b) Colourless
(c) Pink
(d) Blue
What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes?
Fill in the following blank with suitable word:
Magnesium liberates ............... gas on reacting with hot boiling water.
How do metals react with hydrogen? Explain with an example.
How do non-metals react with hydrogen? Explain with an example.
Why does aluminium not react with water under ordinary conditions?
Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide.
What special name is given to substances like aluminium oxide.
Write the equation for the reaction of Magnesium with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
Write the equation for the reaction of Iron with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
Out of aluminium, copper, calcium and tin, the most reactive metal is:
(a) aluminium
(b) copper
(c) tin
(d) calcium
An element E forms an oxide E2O. An aqueous solution of E2O turns red litmus paper blue.
(a) What is the nature of the oxide E2O?
(b) State whether element E is a metal or a non-metal.
(c) Give one example of an element like E.
In a solution of lead acetate, a strip of metal M was dipped. After some time, lead from the solution was deposited on the metal strip. Which metal is more reactive, M or lead?
Choose the correct alternative and rewrite the following:
Reaction of iron nails whith copper sulphate solution is an example of _____________________
The substance that will be flattened on beating with a hammer is ______.
Metals are generally solid. Which of the following metals is in the liquid state at room temperature?
